function groupSwitch (divId) {
	if (divId == 'pressrelease') {
		document.getElementById('box2').style.display = 'none';
		document.getElementById('box1').style.display = 'block';
		document.getElementById('box3').style.display = 'none';
		
		//change style
		document.getElementById('pressrelease').className = "btn1_active";
		document.getElementById('news').className = "btn1";
		document.getElementById('newsletter').className = "btn1";
	}
	if (divId == 'news'){
		document.getElementById('box2').style.display = 'block';
		document.getElementById('box1').style.display = 'none';
		document.getElementById('box3').style.display = 'none';
		// change style
		document.getElementById('pressrelease').className = "btn1";
		document.getElementById('news').className = "btn1_active";
		document.getElementById('newsletter').className = "btn1";
		
	}
	if (divId == 'newsletter'){
		document.getElementById('box2').style.display = 'none';
		document.getElementById('box1').style.display = 'none';
		document.getElementById('box3').style.display = 'block';
		// change style
		document.getElementById('pressrelease').className = "btn1";
		document.getElementById('news').className = "btn1";
		document.getElementById('newsletter').className = "btn1_active";
	}
}